Paumacariya 117.42

117.42

naha bāhāsu surāhiva, uttariuṁ nēva tīraē uyahī
taha na ya tīraï tariuṁ, bhavōyahī sōlarahiēhi

Just as the ocean cannot at all be crossed by the arms alone, O lord of gods, / so too the ocean of worldly existence cannot be crossed by those devoid of good conduct.